Research Article
Evolution of Soil Biochemical Parameters in Rainfed Crops: Effect of Organic and Mineral Fertilization
Table 1
Initial soil physical and chemical characteristics in the experimental parcel (year 2000).
| Soil parameter | |
| Sand (2–0.05 mm) (g 100 g−1) | 68.1 | Silt (0.05–0.002 mm) (g 100 g−1) | 14.8 | Clay (<0.002 mm) (g 100 g−1) | 17.1 | pH (1 : 2.5 soil : water) | 6.6 | Organic matter (Walkley-Black) (g 100 g−1) | 1.29 | C/N | 9.18 | Phosphorus (Olsen) (mg kg−1) | 186 | Potassium (ammonium acetate extract) (mg kg−1) | 168 | Calcium (ammonium acetate extract) (mg kg−1) | 1381 | Magnesium (ammonium acetate extract) (mg kg−1) | 150 |
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